Section R. 408.11953 - Frequent inspectionsRule 1953.
(1) A crawler, locomotive, or truck crane shall be given the following daily to monthly visual inspections:(a) Control mechanisms for wear and malfunction, each daily use.(b) Deterioration or leakage of air or hydraulic systems, each daily use.(c) Hydraulic system for oil level, each daily use.(d) Hydraulic hoses and fittings for leaks and deterioration.(e) All running ropes, each daily use.(f) Lifting hooks for deformation or cracks. A hook having a crack, a throat opening of more than 15% of normal or more than 10 degree twist from the plane of an unbent hook shall be replaced.(g) Rope reeving in conformance with the original installation.(h) Electrical apparatus for malfunction, wear, dirt, and moisture accumulations.(i) Tires for specified pressure.(2) A crawler, locomotive, or truck crane shall be given a visual inspection not less than monthly for malfunction of safety devices.Mich. Admin. Code R. 408.11953